Random variation occurring in extrapolation methods may be "smoothed out," to make the patterns more apparent, by using
A) Chi-square
B) Regression analysis
C) Data points
D) Moving averages
E) Base values

Question

Quizplus · Accepted Answer

Moving averages are used to smooth out short-term fluctuations and highlight longer-term trends or cycles in data, making patterns more apparent, which is particularly useful in time series analysis and forecasting.

Random Variation Occurring in Extrapolation Methods May Be "Smoothed Out